It is by a wise economy of nature that those who suffer without change, and whom no one can help, become uninteresting. Yet so it may happen that those who need sympathy the most often attract it the least.

The one self- knowledge worth having is to know one's own mind.

The propriety of some persons seems to consist in having improper thoughts about their neighbors.

The man who has ceased to fear has ceased to care.

Few people would not be the worse for complete sincerity.

Up to a certain point every man is what he thinks he is.

Reason teaches us that what is good is good for something, and that what is good for nothing is not good at all.